Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Sulfur or compound containing same
Reexamination Certificate
2006-06-07
2009-12-01
Hailey, Patricia L (Department: 1793)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Sulfur or compound containing same
C502S242000, C502S258000, C502S259000, C502S350000, C428S403000, C428S930000, C252S30160S, C252S30140R, C252S30160R, C252S30160F, C977S811000, C977S812000, C977S813000, C423S610000, C423S615000, C423S616000
Reexamination Certificate
active
07625835
ABSTRACT:
A composite photocatalyst includes a semiconducting core and a nanoscale particle disposed on a surface of the semiconducting core, wherein the nanoscale particle is an electron carrier, and wherein the photocatalyst is sensitive to visible light irradiation.
REFERENCES:
patent: 4094751 (1978-06-01), Nozik
patent: 4484992 (1984-11-01), Buhler et al.
patent: 4859903 (1989-08-01), Minematu et al.
patent: 5547823 (1996-08-01), Murasawa et al.
patent: 5985173 (1999-11-01), Gray et al.
patent: 6037289 (2000-03-01), Chopin et al.
patent: 6108476 (2000-08-01), Iimura
patent: 6113861 (2000-09-01), Ogata
patent: 6248218 (2001-06-01), Linkous et al.
patent: 6447650 (2002-09-01), Park et al.
patent: 6517806 (2003-02-01), Park et al.
patent: 6572829 (2003-06-01), Linkous et al.
patent: 6653356 (2003-11-01), Sherman
patent: 6815064 (2004-11-01), Treadway et al.
patent: 6828720 (2004-12-01), Cavallaro et al.
patent: 6833089 (2004-12-01), Kawahara et al.
patent: 6911082 (2005-06-01), Sato et al.
patent: 6938546 (2005-09-01), Suda et al.
patent: 7309664 (2007-12-01), Marzolin et al.
patent: 7326654 (2008-02-01), Sato et al.
patent: 7381465 (2008-06-01), Torimoto et al.
patent: 1792445 (2006-06-01), None
patent: 06-182218 (1994-07-01), None
patent: 10-2003-0042569 (2003-06-01), None
patent: 2009/050639 (2009-04-01), None
“Anoxic Hydrogen Production over CdS-based Composite Photocatalysts under Visible Light Irradiation (>=420 nm)”, Jum Suk Jang et al. Studies in Surface Science and Catalysis, vol. 159 (2006), pp. 201-204.
“Fabrication of CdS/TiO2 nano-bulk composite photocatalysts for hydrogen production from aqueous H2S solution under visible light,” Jum Suk Jang et al. Chemical Physics Letters 425 (2006), pp. 278-282.
Buhler et al.;“Photochemical Hydrogen Production with Cadmium Sulfide Suspensions”, J. Phys. Chem., 88 (1984) 3261-3268.
Tambwekar et al.; “Photocatalytic Generation of Hydrogen from Hydrogen Sulfide: An Energy Bargain”; Int. J. Hydrogen Energy, vol. 22, No. 10/11, (1997); pp. 959-965.
Naman et al.; “Photocatalytic Production of Hydrogen from Hydrogen Sulfide in Ethanolamine Aqueous Solution Containing Semiconductors Dispersion”; J. Hydrogen Energy, vol. 20, No. 4, (1995); pp. 303-307.
Matsumura et al.; “Photocatalytic Hydrogen Production from Solutions of Sulfite Using Platinized Cadmium Sulfide Powder”; J. Phys. Chem., 87 (1983); pp. 3807-3808.
Naman et al.; “Hydrogen Production from the Splitting of H2S by Visible Light Irradiation of Vanadium Sulfides Dispersion Loaded with RuO2”; Int. J. Hydrogen Energy, vol. 11, No. 1 (1986); pp. 33-38.
Meissner et al.; “Fundamental Problems of Water Splitting at Cadmium Sulfide”, Chem. Phys. Lett., 127(5) (1986) 419-423.
Meissner et al.; “Photocorrosion of Cadmium Sulfide: Analysis By Photoelectron Spectroscopy”; Applied Surface Science 27 (1987); pp. 423-436.
Frank et al.;“Visible-Light-Induced Water Cleavage and Stabilization of n-Type CdS to Photocorrosion with Surface Attached Polypyrrole Catalyst Coating”, J. Phys. Chem., 86 (1982) 1933-1935.
Meissner et al.; “Photoelectrochemistry of Cadmium Sulfide. 1. Reanalaysis of Photocorrosion and Flat-Band Potential”, J. Phys. Chem., 92 (1988) 3476-3483.
Spanhel et al.; “Photochemistry of Semiconductor Colloids. 22. Electron Injection from Illuminated CdS into Attached TiO2and ZnO Particles”; Am. Chem. Soc., 109 (1987); pp. 6632-6635.
Shangguan et al.; “Photocatalytic Hydrogen Evolution from Water on Nanocomposites Incorporating Cadmium Sulfide into the Interlayer”; J. Phys. Chem., 106 (2002); pp. 12227-12230.
Kida et al.; “LaMnO3/ CdS nanocomposite: a new photocatalyst for hydrogen production from water under visible light irradiation”; Chemical Physics Letters 371 (2003); pp. 563-567.
Jang Jum S.
Lee Jae S.
Li Wei
Oh Se H.
GM Global Technology Operations Inc.
Hailey Patricia L
Pohang University of Science and Technology
LandOfFree
Photocatalyst and use thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Photocatalyst and use thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photocatalyst and use thereof will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4096717